white dwarfs

You can Tell how big a Black Hole is by how it Eats

Astronomers can determine the size of a black hole by the way it consumes nearby matter.

4 months ago

A Nearby White Dwarf Might be About to Collapse Into a Neutron Star

A white dwarf star has been found that's more massive than our Sun, but about the same size as our…

5 months ago

Our Part of the Galaxy is Packed with Binary Stars

Binary star systems are everywhere. They make up a huge percentage of all known solar systems: from what we can…

9 months ago

Much of the Lithium Here on Earth Came from Exploding White Dwarf Stars

The Big Bang produced the Universe's hydrogen, helium, and a little lithium. Since then, it's been up to stars (for…

1 year ago

Rocky Planets Orbiting White Dwarf Stars Could be the Perfect Places to Search for Life

Some very powerful telescopes will see first light in the near future. One of them is the long-awaited James Webb…

2 years ago

Astronomers See Space Twist Around A White Dwarf 12,000 Light Years Away

The theory of general relativity is packed with strange predictions about how space and time are affected by massive bodies.…

2 years ago

Neptune-Sized Planet Found Orbiting a Dead White Dwarf Star. Here’s the Crazy Part, the Planet is 4 Times Bigger Than the Star

Astronomers have discovered a large Neptune-sized planet orbiting a white dwarf star. The planet is four times bigger than the…

2 years ago

Dead Planets Around White Dwarfs Could Emit Radio Waves We Can Detect, Sending Out Signals for Billions of Years

A new study by a pair of astronomers has shown that planets orbiting white dwarfs will still be emitting radio…

2 years ago

Bizarre Star Could be the Result of Two White Dwarfs Merging Together

Stars live and die on epic time scales. Tens of millions of years, hundreds of millions of years, even billions…

3 years ago

Small, Tough Planets can Survive the Death of Their Star

Sad fact of the Universe is that all stars will die, eventually. And when they do, what happens to their…

3 years ago